Wang counterexamples lead to noncrossed products

DOI10.1090/S0002-9939-97-03725-8zbMath0886.16016WikidataQ124960912 ScholiaQ124960912MaRDI QIDQ4372310

Eric S. Brussel

Publication date: 11 December 1997

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

crossed productsBrauer groupsnumber fieldscyclotomic extensionsdivision algebrascyclic extensionscharacter groupsclass-field theoryglobal charactersGrunwald liftsnon-crossed product division algebrasWang counter-examples

Mathematics Subject Classification ID

Class field theory (11R37) Finite-dimensional division rings (16K20)

Cites Work

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• On solvable number fields
• Division algebras not embeddable in crossed products
• On central division algebras
• On Grunwald's theorem
• Noncrossed Products and Nonabelian Crossed Products Over ℚ(T) and ℚ((T))

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